Vagrantfile for Windows 10 with MS Edge from modern.ie[1] - stackoverflow.com discussion: http://stackoverflow.com/questions/38869921/how-to-change-default-admin-user-name-and-password-of-a-modern-ie-windows-10-vir

Vagrantfile

Vagrant.configure("2") do |config|
    config.vm.box = "windows10_msedge"
    config.vm.boot_timeout = 500
    config.vm.network "private_network", ip: WIN10_MSEDGE_IP
    config.vm.provider "virtualbox" do |vb|
      vb.gui = true
      vb.name = "windows10_msedge"
      vb.cpus = 1
      vb.memory = 2048
    end
    config.vm.guest = :windows
    config.vm.communicator = "winrm"
    config.winrm.username = "IEUser"
    config.winrm.password = "Passw0rd!"
    config.windows.set_work_network = true
end

[1] modern.ie Microsoft Windows virtual machines for testing
[2] Download Virtual Machines